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Edit this profileAt a glance
- 1225 S. Grand, Door 3, Saint Louis, MO 63104
About Dr. Chen
Based in Saint Louis, MO, Collin Chen, M.D. is listed in the NPI registry under otolaryngology (ent). Collin graduated from Saint Louis University School of Medicine in 2014. Medicare claims data shows Collin provided 58 services to 50 patients. The services billed most often include established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more, established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more, and established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more. NPI 1194139113 identifies this record in the national registry.
Factual summary compiled by Guide.md from public records; not written by this provider.
Education & Training
Specialty
Credentials & Licensing
Medicare information
Exactly as CMS reports it (National Downloadable File, Opt-Out Affidavits, Order & Referring). Not an insurance directory; confirm coverage with the office.
Contact Information
- (314) 977-5110
- Email not available
Practice Locations
1225 S. GRAND DOOR 3
Saint Louis, MO 63104
Conditions Commonly Evaluated or Treated
Within Otolaryngology generally. Availability varies by clinician, training and location — this profile has not been claimed, so nothing here is a personal claim by the provider.
Conditions
Most searched conditions
Balance
Ear and hearing
- Cholesteatoma
- Eustachian tube dysfunction
- Hearing loss
- Otosclerosis
- Perforated eardrum
- Swimmer's ear
Head, neck, and salivary
Nose and sinus
- Broken nose
- Deviated septum
- Loss or reduction of smell
- Nasal obstruction
- Nasal polyps
- Nosebleeds
- Seasonal allergies
Sleep and airway
Throat and voice
- Enlarged adenoids
- Globus sensation
- Hoarseness and voice change
- Laryngopharyngeal reflux
- Swallowing difficulties
- Vocal cord nodules
- Vocal cord paralysis
Cancer
Head & Neck
Throat & Voice
Procedures & services
Most searched procedures
Office diagnosis
Cosmetic
Ear & Hearing
Ear procedures
Head & Neck
Head and neck surgery
- Neck lymph-node dissection
- Parathyroid surgery
- Parotid gland surgery
- Thyroid removal surgery
- Voice-box removal
Nose & Sinus
Nose and sinus procedures
Sleep and airway
Throat & Voice
Throat, voice, and swallowing
Procedures Most Often Billed to Medicare
58 services · 50 patients · 4 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more | Office visit | 99213 |
19 | Less often than most peers in Otolaryngology (ENT) |
| Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more | Office visit | 99213 |
16 | Less often than most peers in Otolaryngology (ENT) |
| Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more | Office visit | 99214 |
12 | Less often than most peers in Otolaryngology (ENT) |
| Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more | Office visit | 99214 |
11 | Less often than most peers in Otolaryngology (ENT) |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
Related providers
Connections drawn from the registry and from what providers have told us. A link here is not a referral or an endorsement.
Other otolaryngology specialists at this location 3
Same specialty, same street address — most likely the same department or group.
Related specialists at this location 3
Clinically related specialties at the same address — the people this provider most likely works alongside.
Also at this address 4
Providers at the same street address. Each files their own registry entry, so a shared practice often appears under several different names.
More connections — 21 related providers in 3 groups
Other otolaryngology specialists in Saint Louis 7
Same specialty, same city.
Trained at Saint Louis University School of Medicine 6
Other providers in the same specialty who trained at the same institution.
Class of 2014 at Saint Louis University School of Medicine 8
Providers who graduated from the same medical school in the same year.
Common questions
What is Collin Chen's specialty?
Collin Chen is an otolaryngology (ent) in Saint Louis, MO. That is the designation recorded for this NPI in the federal registry.
NPI registry
Where can I find Collin Chen?
Collin Chen is listed at 1225 S. Grand Door 3, Saint Louis, MO 63104. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
How do I contact Collin Chen?
The number on file is (314) 977-5110. Contact the office directly to confirm availability and scheduling.
NPI registry
What is the NPI for Collin Chen?
Collin Chen's National Provider Identifier is 1194139113. It is issued by the Centers for Medicare & Medicaid Services and is unique and permanent — it does not change if they move practice.
NPI registry
What is Collin Chen's education?
Collin Chen attended Saint Louis University School of Medicine, graduating in 2014. This comes from the CMS National Downloadable File.
CMS public data
How much experience does Collin Chen have?
Collin Chen has 12 years experience. Calculated from a graduation year of 2014, reported in the CMS National Downloadable File.
CMS public data
What is Collin Chen known for?
According to Medicare billing data, Collin Chen the Medicare record under this individual NPI shows mainly office visits and diagnostic testing. Hospital-based physicians usually have their procedural work billed by the facility rather than under their own number, so this is a floor on their practice, not a description of it. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Is Collin Chen's profile verified?
Not yet. This profile is built from public federal data and has not been confirmed by Collin Chen. If this is you, claiming it is free.
Guide.md
Guide.md listings do not constitute medical advice or an endorsement.